Dr. Roberto Hernández Sampieri. La revisión de la literatura.
Literature Review and Theoretical Framework in Research
Importance of Literature Review
- The literature review is a crucial stage in any research, regardless of whether it is quantitative, qualitative, or mixed-methods. It helps establish a theoretical framework for the study.
- Reviewing existing literature is essential to avoid redundancy by not addressing topics that have already been thoroughly explored. This step also aids in refining the research problem.
- Understanding how previous researchers have approached similar problems allows for better contextualization and adjustment of the current research question.
Conducting a Literature Review
- A literature review guides the entire research process by identifying data collection instruments and methodologies used in prior studies.
- Modern literature reviews are primarily conducted through electronic means, utilizing specialized databases that contain extensive references across various fields such as engineering, sociology, psychology, etc.
- Selecting appropriate databases is critical; for instance, if researching medication effects on dental patients, one should use dental-specific databases rather than sociological ones.
Search Strategy and Organization
- Researchers should consult multiple reference banks (at least two or three) to gather relevant information linked directly to their specific research problem.
- A clear and specific formulation of the research problem is necessary to effectively navigate through vast amounts of available information without getting lost.
- As relevant articles or books are identified during the search process, they should be reviewed for suitability and organized logically—either chronologically or thematically—to develop an index for the theoretical framework.
Developing the Theoretical Framework
- The final theoretical framework must be well-organized and structured according to the refined research problem. It serves as both a product of this phase and a guide for subsequent stages of investigation.
- After constructing the theoretical framework based on gathered references, researchers should reassess their initial problem statement to ensure alignment with their findings before proceeding further in their study.